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The low complexity time–frequency multiplex estimator and equalizer transceiver design are proposed to combat the RF impairment problems for the zero-IF transceiver of multi-carrier systems. Moreover, the proposed preamble can estimate and compensate the receiver (Rx) in-phase and quadrature-phase (IQ) imbalance, carrier frequency offset (CFO), and channel impulse response parameters. There are two...
Orthogonal Frequency Division Multiplexing (OFDM) is a popular technique in modern wireless communications. There are many systems adopting the OFDM technique, such as IEEE 802.11 a/g/n, IEEE 802.16, Digital Video Broadcasting, etc. Since the subcarriers in an OFDM system are mutually orthogonal in the frequency domain, it is quite sensitive to synchronization errors. In wireless communications, sampling...
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